Add ISP/SAF1761 bootloader bus interface file.

Sponsored by:	DARPA, AFRL

1 files changed, 146 insertions, 0 deletions

diff --git a/sys/dev/usb/controller/saf1761_otg_boot.c b/sys/dev/usb/controller/saf1761_otg_boot.c
new file mode 100644
index 0000000..ead8de3
--- /dev/null
+++ b/sys/dev/usb/controller/saf1761_otg_boot.c
@@ -0,0 +1,146 @@
+/* $FreeBSD$ */
+/*-
+ * Copyright (c) 2014 Hans Petter Selasky <hselasky@FreeBSD.org>
+ * All rights reserved.
+ *
+ * This software was developed by SRI International and the University of
+ * Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237)
+ * ("CTSRD"), as part of the DARPA CRASH research programme.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include USB_GLOBAL_INCLUDE_FILE
+
+#include <dev/usb/controller/saf1761_otg.h>
+#include <dev/usb/controller/saf1761_otg_reg.h>
+
+static device_probe_t saf1761_otg_fdt_probe;
+static device_attach_t saf1761_otg_fdt_attach;
+static device_detach_t saf1761_otg_fdt_detach;
+
+static device_method_t saf1761_otg_methods[] = {
+	/* Device interface */
+	DEVMETHOD(device_probe, saf1761_otg_fdt_probe),
+	DEVMETHOD(device_attach, saf1761_otg_fdt_attach),
+	DEVMETHOD(device_detach, saf1761_otg_fdt_detach),
+	DEVMETHOD(device_suspend, bus_generic_suspend),
+	DEVMETHOD(device_resume, bus_generic_resume),
+	DEVMETHOD(device_shutdown, bus_generic_shutdown),
+
+	DEVMETHOD_END
+};
+
+static driver_t saf1761_otg_driver = {
+	.name = "saf1761otg",
+	.methods = saf1761_otg_methods,
+	.size = sizeof(struct saf1761_otg_softc),
+};
+
+static devclass_t saf1761_otg_devclass;
+
+DRIVER_MODULE(saf1761otg, pci, saf1761_otg_driver, saf1761_otg_devclass, 0, 0);
+MODULE_DEPEND(saf1761otg, usb, 1, 1, 1);
+
+static int
+saf1761_otg_fdt_probe(device_t dev)
+{
+	if (device_get_unit(dev) != 0)
+		return (ENXIO);
+
+	device_set_desc(dev, "ISP1761/SAF1761 DCI USB 2.0 Device Controller");
+
+	return (0);
+}
+
+static int
+saf1761_otg_fdt_attach(device_t dev)
+{
+	struct saf1761_otg_softc *sc = device_get_softc(dev);
+	int err;
+
+	/* 32-bit data bus */
+	sc->sc_hw_mode |= SOTG_HW_MODE_CTRL_DATA_BUS_WIDTH;
+
+	/* initialise some bus fields */
+	sc->sc_bus.parent = dev;
+	sc->sc_bus.devices = sc->sc_devices;
+	sc->sc_bus.devices_max = SOTG_MAX_DEVICES;
+
+	/* get all DMA memory */
+	if (usb_bus_mem_alloc_all(&sc->sc_bus, USB_GET_DMA_TAG(dev), NULL))
+		return (ENOMEM);
+
+	sc->sc_io_res = (void *)1;
+	sc->sc_io_tag = (void *)1;
+	sc->sc_io_hdl = (void *)USB_PCI_MEMORY_ADDRESS;
+	sc->sc_io_size = USB_PCI_MEMORY_SIZE;
+
+	sc->sc_bus.bdev = device_add_child(dev, "usbus", -1);
+	if (sc->sc_bus.bdev == NULL)
+		goto error;
+
+	device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus);
+	device_set_interrupt(dev, &saf1761_otg_filter_interrupt, &saf1761_otg_interrupt, sc);
+
+	err = saf1761_otg_init(sc);
+	if (err) {
+		device_printf(dev, "Init failed\n");
+		goto error;
+	}
+	err = device_probe_and_attach(sc->sc_bus.bdev);
+	if (err) {
+		device_printf(dev, "USB probe and attach failed\n");
+		goto error;
+	}
+	return (0);
+
+error:
+	saf1761_otg_fdt_detach(dev);
+	return (ENXIO);
+}
+
+static int
+saf1761_otg_fdt_detach(device_t dev)
+{
+	struct saf1761_otg_softc *sc = device_get_softc(dev);
+	device_t bdev;
+
+	if (sc->sc_bus.bdev) {
+		bdev = sc->sc_bus.bdev;
+		device_detach(bdev);
+		device_delete_child(dev, bdev);
+	}
+
+	/* during module unload there are lots of children leftover */
+	device_delete_children(dev);
+
+	if (sc->sc_irq_res) {
+		/*
+		 * Only call uninit() after init()
+		 */
+		saf1761_otg_uninit(sc);
+	}
+	usb_bus_mem_free_all(&sc->sc_bus, NULL);
+
+	return (0);
+}